Europe · DX entity · DXCC 224

Finland

Finland is a DX entity in Europe, in CQ zone 15 and ITU zone 18. Its primary prefix is OH.

Flag of Finland.

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Figure 1. Finland and its provinces, with neighbouring land in grey. Hover for names; scroll to zoom. Boundaries: Natural Earth, Admin 0 Map Subunits and Admin 1 States and Provinces, 1:10m, version 5.1.2 (13 May 2022), public domain, retrieved 2026-10-15. https://www.naturalearthdata.com/. DX entity boundaries assembled by The DX Atlas Project from the sources named, one recipe row per DXCC entity (subunits matched, merged, split by box or carved from a parent; DXEntity-Recipe.md), 2026. Simplified for this page to 0.0108 degrees, about 1 km; exported 30 October 2026. Projection: Lambert azimuthal equal-area centred on 64.9° N 26.1° E.

Data sheet

DXCC entity code	224
Name in the ADIF standard	FINLAND
Continent	Europe
Primary prefix	OH
CQ zone	15
ITU zone	18

Prefixes

OH is the primary prefix. The country files list 5 prefixes and prefix blocks for Finland.

Show all prefixes

OH OF OG OI OJ

Sources: Jim Reisert AD1C, Big CTY country files, 15 September 2026. https://www.country-files.com/ (MIT licence); ADIF Development Group, ADIF Specification version 3.1.8 (2026-10-12), DXCC Entity Code enumeration. https://adif.org/; ARRL, DXCC List (current and deleted entities), January 2026. https://www.arrl.org/country-lists-prefixes; Flag: Flagpedia.net (flagcdn.com), SVG, public domain, retrieved 2026-10-10.